package com.atguigu.mall.order.web;

import com.atguigu.mall.order.service.OrderService;
import com.atguigu.mall.order.vo.OrderConfirmVo;
import com.atguigu.mall.order.vo.OrderSubmitVo;
import com.atguigu.mall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.concurrent.ExecutionException;

/**
 * @author zststart
 * @create 2022-06-14 22:01
 */
@Controller
public class OrderWebController {
    @Autowired
    OrderService orderService;
    @GetMapping("/toTrade")
    public String toTrade(Model model, HttpServletRequest request) throws ExecutionException, InterruptedException {
        OrderConfirmVo orderConfirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData",orderConfirmVo);
        //展示订单确认的数据
        return "confirm";
    }
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){
        //创建订单，验令牌，验价格，锁库存。。。
        SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);
        if(responseVo.getCode()==0){
            //下单成功来到支付选择页
            model.addAttribute("submitOrderResp",responseVo);
            return "pay";
        }else {
            //下单失败来到商品确认页
            String msg = "下单失败：";
            switch (responseVo.getCode()){
                case 1: msg +="订单信息过期，请刷新再次提交";break;
                case 2: msg +="订单商品价格发生变化，请确认后再次提交";break;
                case 3: msg +="库存锁定失败，商品库存不足";break;
            }
            redirectAttributes.addFlashAttribute("msg",msg);
            return "redirect:http://order.mall.com/toTrade";
        }


    }
}
